ᴹ√TUB “to fall low[?], go down (below normal ground level), (esp.) to go down (sink, dive) into water”
A root in the Qenya Lexicon of the 1910s glossed “lie low” with the derivative ᴱQ. hunda “low, lowly” (QL/41). There are no signs of this root in Tolkien’s later writing.
Reference ✧ QL/41 ✧ “lie low”
Related
HUNU “lie low” has a sense similar to KAYA “lie, rest; dwell”